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/*-
* ============LICENSE_START=======================================================
* ONAP : APPC
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Copyright (C) 2017 Amdocs
* =============================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
* ============LICENSE_END=========================================================
*/
package org.onap.appc.instar.dme2client;
import java.io.FileInputStream;
import java.io.InputStream;
import java.net.URI;
import java.nio.charset.Charset;
import java.util.HashMap;
import java.util.Properties;
import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.SSLContext;
import javax.ws.rs.HttpMethod;
import javax.ws.rs.core.MediaType;
import org.apache.commons.io.IOUtils;
import org.onap.appc.instar.utils.InstarClientConstant;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import com.sun.jersey.api.client.Client;
import com.sun.jersey.api.client.ClientResponse;
import com.sun.jersey.api.client.WebResource;
import com.sun.jersey.api.client.config.DefaultClientConfig;
import com.sun.jersey.api.client.filter.HTTPBasicAuthFilter;
public class Dme2Client {
private static final EELFLogger log = EELFManager.getInstance().getLogger(Dme2Client.class);
private static final String SDNC_CONFIG_DIR_VAR = "SDNC_CONFIG_DIR";
//DME2Client client = null;
Properties props = new Properties();
String operationName ;
String appendContext;
public Dme2Client(String optName, String subCtxt, HashMap<String, String> data) throws Exception{
log.info("Setting Properties for DME2 Client for INSTAR connection");
this.operationName=optName;
this.appendContext = data.get(subCtxt);
String propDir = System.getenv(SDNC_CONFIG_DIR_VAR);
if (propDir == null)
throw new Exception(" Cannot find Property file -" + SDNC_CONFIG_DIR_VAR);
String propFile = propDir + InstarClientConstant.OUTBOUND_PROPERTIES;
InputStream propStream = new FileInputStream(propFile);
try
{
props.load(propStream);
}
catch (Exception e)
{
throw new Exception("Could not load properties file " + propFile, e);
}
finally
{
try
{
propStream.close();
}
catch (Exception e)
{
log.warn("Could not close FileInputStream", e);
}
}
}
public ClientResponse sendtoInstar() throws Exception {
log.info("Called Send with operation Name=" + this.operationName + "and = " + props.getProperty(operationName+InstarClientConstant.BASE_URL));
String resourceUri = props.getProperty(operationName+InstarClientConstant.BASE_URL)+
props.getProperty(operationName + InstarClientConstant.URL_SUFFIX) +
props.getProperty(operationName + InstarClientConstant.SUB_CONTEXT)+ appendContext ;
log.info("DME Endpoint URI:" + resourceUri);
Client client = null;
WebResource webResource = null;
ClientResponse clientResponse = null;
String authorization = props.getProperty("authorization");
String requestDataType = "application/json";
String responseDataType= MediaType.APPLICATION_JSON;
String methodType = props.getProperty("getIpAddressByVnf_method");
String request = "";
String userId=props.getProperty("MechID");
String password=props.getProperty("MechPass");
log.info("authorization = " + authorization + "methodType= " + methodType);
try{
DefaultClientConfig defaultClientConfig = new DefaultClientConfig();
System.setProperty("jsse.enableSNIExtension", "false");
SSLContext sslContext = null;
SecureRestClientTrustManager secureRestClientTrustManager = new SecureRestClientTrustManager();
sslContext = SSLContext.getInstance("SSL");
sslContext.init(null, new javax.net.ssl.TrustManager[] { secureRestClientTrustManager }, null);
defaultClientConfig.getProperties().put(
com.sun.jersey.client.urlconnection.HTTPSProperties.PROPERTY_HTTPS_PROPERTIES,
new com.sun.jersey.client.urlconnection.HTTPSProperties(getHostnameVerifier(), sslContext));
client = Client.create(defaultClientConfig);
client.addFilter(new HTTPBasicAuthFilter(userId, password));
webResource = client.resource(new URI(resourceUri));
webResource.setProperty("Content-Type", "application/json;charset=UTF-8");
if(HttpMethod.GET.equalsIgnoreCase(methodType)){
clientResponse = webResource.accept(responseDataType).get(ClientResponse.class);
}else if(HttpMethod.POST.equalsIgnoreCase(methodType)){
clientResponse = webResource.type(requestDataType).post(ClientResponse.class, request);
}else if(HttpMethod.PUT.equalsIgnoreCase(methodType)){
clientResponse = webResource.type(requestDataType).put(ClientResponse.class,request);
}else if(HttpMethod.DELETE.equalsIgnoreCase(methodType)){
clientResponse = webResource.delete(ClientResponse.class);
}
return clientResponse;
}catch (Exception e) {
log.info("failed in RESTCONT Action ("+methodType+") for the resource " + resourceUri + ", falut message :"+e.getMessage());
throw new Exception("Error While gettting Data from INSTAR" + e.getMessage());
}
finally {
// clean up.
webResource = null;
if(client != null){
client.destroy();
client = null;
}
}
}
public String send() {
String response = null;
try{
if(props !=null &&
props.getProperty(InstarClientConstant.MOCK_INSTAR) != null &&
props.getProperty(InstarClientConstant.MOCK_INSTAR).equalsIgnoreCase("true"))
return IOUtils.toString(Dme2Client.class.getClassLoader().getResourceAsStream("/tmp/sampleResponse"), Charset.defaultCharset());
ClientResponse clientResponse = sendtoInstar();
if(clientResponse != null){
response = clientResponse.getEntity(String.class);
log.info(clientResponse.getStatus() + " Status, Response :" + response);
}
} catch (Exception t) {
log.error("Error in Dme2Client for send() method while sending response:" ,t);
}
return response;
}
private HostnameVerifier getHostnameVerifier() {
return new HostnameVerifier() {
@Override
public boolean verify(String hostname, javax.net.ssl.SSLSession sslSession) {
return true;
}
};
}
}
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